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The number of moles of oxygen in 1L of a...

The number of moles of oxygen in 1L of air which contains 21% oxygen by volume under standard conditions is :

A

0.186 mol

B

0.21 mol

C

2.10 mol

D

0.0093 mol

Text Solution

Verified by Experts

The correct Answer is:
D
22.4 L of `O_(2)=1` mol
`0.21 L` of `O_(2) = (0.21)/(22.4)= 0.0093` mol
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